Written by S. Hain, P. Sobalvarro, and L. Klotz under the supervision of H. Abelson.
Copyright (c) 1980, 1981 Massachusetts Institute of Technology (MIT). This material was prepared with support of National Science Foundation Grant No. SED-7919033. However, any opinions, findings, conclusions, or recommendations expressed herein are those of the authors and do not necessarily reflect the views of the NSF.
Released under the MIT License (http://opensource.org/licenses/MIT), per e-mail correspondence with H. Abelson on 5 November 2012.
Recovered and reassembled from source by Lars Brinkhoff (https://github.com/PDP-10/its/blob/master/src/aplogo/logo.299) in 2018. Source code and assembler listing are attached to this item.